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Orche spiaggiate, quali cause?

On a January day in 2002, a female orca washed up on the shore of Dungeness Spit on the Olympic Peninsula. Levels of PCBs Robe de bal sexy in her tissues were so high that the device used to measure such things had to be recalibrated to get an accurate reading. A male accompanying her , possibly her son, was so distraught by the death of his beloved that he insisted on repeated efforts to beach himself next to the deceased. For three days under the media spotlight, volunteers gave Robe de bal longue aid and comfort to the despondent male, finally coaxing him back into the ocean. The female, it turned out, had the highest level of PCB contaminations ever found in a killer wale.